Current Monitoring Relays Transducers

  • Littelfuse Current Monitoring Relays Transducers

    520CS / 520CP

  • OBSOLETE 06/2017  - The 520CS and 520CP are fully-programmable, microcontroller-based, current-...More

  • Input
    Voltage (V):     100 to 130VAC, 200 to 250VAC, 400 to 500VAC

  • Output
    Form:     SPDT

  • Mounting Method: Four #10 or #12 screws (3/4 in - 1 in in length)

  • CP

  • The CP-5 is an undercurrent monitor designed to monitor one leg of a 3-phase system. It is commonly ...More

  • Input
    Voltage (V):     115 Vac, 480 Vac

  • Output
    Form:     SPDT

  • Termination Type: 7 in.-lbs. 12 - 18 AWG

  • DCSA

  • The DCSA Series is a loop-powered, linear output current transducer that provides an output that is ...More

  • Output Voltage: 10 - 30 Vdc

  • Termination Type: Wire clamp for 22-14 AWG (0.336mm²-2.5mm²)

  • Mounting Method: DIN 1 and DIN 3 rail mounting

  • ECS

  • The ECS Series of single-phase AC current sensors is a universal, overcurrent or undercurrent sensin...More

  • Input
    Voltage (V):     120 Vac, 230 Vac, 24 Vac, 24 Vdc, 120VAC, 24VDC

  • Output
    Form:     Isolated SPDT, Isolated SPDT

  • Termination Type: 0.25 in. (6.35 mm) male quick connect terminals (5), 0.25 in. (6.35mm) male quick connect terminals (5)

  • ECSW

  • The ECSW Series of single-phase, AC window, current sensors includes adjustable overcurrent and unde...More

  • Input
    Voltage (V):     120 Vac, 230 Vac, 24 Vdc, 120VAC

  • Output
    Form:     Isolated SPDT, Isolated SPDT

  • Time Delay Range: 0.15 - 7 s adjustable, 0.5 - 50 s adjustable, 0.5 - 50s adjustable

  • LCS

  • The LCS10T12 connected to the LPM12 or LPMG12 indicator is a low cost, easy to use, go/no-go indicat...More

  • Termination Type: 12 in. (30.4 cm) wire leads

  • Weight (lbs/g): 0 Kg

  • Burden (VA): ≤0.5

  • LCSC

  • The LCSC10T12 is a toroidal current sensor for use with the DCSA Series current transducer. See data...More

  • Weight (lbs/g): 0 Kg

  • Burden (VA): ≤0.5

  • Input AC Line Frequency (Hz): 0 - 20 A: 20 / 100 Hz; 21 - 50 A: 30 / 100 Hz

  • LSR

  • The LSR-0 is a self-powered load sensor intended for use as a proof relay. It is used to verify that...More

  • Termination Type: Torque: 7 in.-lbs.; Wire: 12 - 24 AWG

  • Mounting Method: Four #6 screws 3/4 in in length

  • Dimensions: 1.67 H x 2.3 W x 3.56 D in. (42.4 x 58.4 x 90.4 mm)

  • LSR_XXX

  • The LSR-XXX load sensors use current levels to determine feed rates, tool wear, loss of prime on pum...More

  • Input
    Voltage (V):     115 Vac, 230 Vac, 24 Vac

  • Output
    Form:     SPDT

  • Termination Type: Torque: 7 in.-lbs.; Wire: 12 - 24 AWG

  • LSRX

  • The LSRX/LSRX-C Series are AC current sensors designed to energize the output contact whenever 4.5 A...More

  • Output
    Form:     SPST - Form A

  • Termination Type: Torque: 3 in.-lbs.; Wire: 12 - 26 AWG; 0.25 in quick-connect fast-on terminals, Torque: 3 in.-lbs.; Wire: 12 - 26 AWG; Depluggable screw terminals

  • Mounting Method: Surface mount

  • TCS

  • The TCS Series is a low cost method of go/no go current detection. It includes a solid-state output ...More

  • Output Voltage: 24 - 240 Vac; +10 / -20%, 3 - 50 Vdc

  • Output
    Form:     NC, NO

  • Termination Type: 0.25 in. (6.3 mm) male quick connect terminals

  • TCSA

  • The TCSA Series is a loop-powered, linear output current transducer that provides an output that is ...More

  • Output Voltage: 10 - 30 Vdc

  • Termination Type: 0.25 in. (6.3 mm) male quick connect terminals

  • Mounting Method: Surface mount with one #10 (M5 x 0.8) screw

For Technical Questions

Call +1 800-832-3873 or email us at relays@littelfuse.com